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BMW 3-Series (E90 E92) Forum
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How do I find stock spring part numbers?
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05-04-2021, 06:54 PM | #1 |
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How do I find stock spring part numbers?
I want to return my 2012 328i xdrive E91 to stock suspension.
How do I know what the part numbers are? RealOEM doesn't list them and info on most online stores is very confusing. Also, what is the difference between Heavy duty and not? Thanks! Last edited by Tcheb; 05-04-2021 at 07:01 PM.. |
05-04-2021, 09:47 PM | #2 |
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I would go with the part numbers from FCP Euro..
Front springs 31336769915 https://www.fcpeuro.com/products/bmw...769915#fitment Front left strut 31316796467 https://www.fcpeuro.com/products/bmw...ve-31316796467 Front right strut 31316796468 https://www.fcpeuro.com/products/bmw...ve-31316796468 Rear springs 33536767341 https://www.fcpeuro.com/products/bmw...ve-33536767341 Rear shocks 33526796470 https://www.fcpeuro.com/products/bmw...ar-33526796470 |
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05-04-2021, 11:33 PM | #3 |
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Thanks! That's really helpful!
Does anyone know a good aftermarket setup that maintains factory ride height? I'm ok with stiffer as long as it doesn't lower it. |
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05-05-2021, 12:01 AM | #4 |
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Dinan and BMW performance springs are both very close to stock height, though I'm not sure if they make them for XI. I don't know of anything higher than those.
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05-05-2021, 09:05 AM | #5 | |
Colonel
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Quote:
Call a dealer with you VIN and ask them to run it in the spring selector and give you the part number and the alpha-numeric code in case you want to search for used springs.
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05-05-2021, 09:11 AM | #6 |
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I recently did the same thing and returned my car to the factory sport suspension, new struts, shocks and springs. I found the spring numbers on getbmwparts.com website. You can check using your VIN
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05-05-2021, 09:22 AM | #9 | |
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Do you have a good spring compressor tool? The cheap-shit ones from autozone don't work on BMW struts very well. |
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05-05-2021, 09:29 AM | #10 |
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I borrowed the Autozone spring compressor last week to install my Supreme Power lowering perches and felt as though I was at risk. After pulling everything and trying to assemble the strut, I took everything to a local garage and had them use their professional compressor.
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05-05-2021, 09:35 AM | #11 |
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You post your impressions on this somewhere? Would like to hear your thoughts as you’ve had a couple different set ups.
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05-05-2021, 09:39 AM | #12 | |
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ES# 2918793. |
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05-05-2021, 09:45 AM | #13 | |
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The new setup just installed felt a bit softer than the H&R/Bilstein B8, but more compliant, which was what I was after. The B8s got to harsh and bouncy after 70,000 miles. And the springs just kept dropping over time. |
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05-05-2021, 12:28 PM | #15 | ||
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05-05-2021, 02:07 PM | #16 |
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Drives: '06 325i, 330i 6MT RWD Sport
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If you have the space to store it a floor standing model is the mack daddy of spring compressors, and less expensive than the Schwaben tool, this one was $120. It is effortless and not at all terrifying like the hook type screw cheap ones, the only drawback is where to put it when you're not compressing springs.
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05-05-2021, 05:03 PM | #17 |
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Thanks for all the info! I'll order that Schwaben tool. They have it at Pelican which is closer to me. I have the cheapo spring compressor and I always feel like I have to say a prayer when I use it.
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05-06-2021, 07:00 AM | #18 |
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FYI xi springs are even harder to compress because they're so short (the whole strut is shorter to make room for the front axle). I have a spring compressor that's the same style as the referenced Schwaben and found it much easier to compress from the strut mount using the adapter below. Note that this adapter is intended for e39/e46 struts, but it worked fine for me on my e90 xi and e60 xi.
I of course take no responsibility if you hurt yourself or break something using this tool! https://www.ecstuning.com/b-bav-auto.../b8800062~bav/ |
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